| Budget Amount *help |
¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
Fiscal Year 2015: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2014: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2013: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
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| Outline of Final Research Achievements |
Concurrent training, a combination of endurance (EE) and resistance exercise (RE) performed in succession, may compromise the muscle hypertrophic adaptations induced by RE alone. We used an animal model to investigate whether EE before or after RE affects the molecular signaling associated with muscle protein synthesis. Our results suggested that the last bout of exercise dictates the molecular responses and that mTORC1 signaling induced by any prior bout of RE may be downregulated by a subsequent bout of EE. On the contrary, young men performed the concurrent training three times per week for 12 weeks, the results were conflicting. We compared the exercise order of RE and EE in same session on the same individuals by using unilateral leg exercise for RE. We found no significant difference in the magnitude of increase in strength or muscle CSA after the training period. Further studies are necessary to investigate further on the effect of concurrent training in longer intervention.
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